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osu-lazer/osu.Game.Rulesets.Catch/Mods/CatchModHidden.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using System.Linq;
using osu.Framework.Graphics;
using osu.Game.Rulesets.Catch.Objects.Drawable;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.Objects.Drawables;
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namespace osu.Game.Rulesets.Catch.Mods
{
public class CatchModHidden : ModHidden
{
public override string Description => @"Play with fading fruits.";
public override double ScoreMultiplier => 1.06;
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private const double fade_out_offset_multiplier = 0.6;
private const double fade_out_duration_multiplier = 0.44;
protected override void ApplyHiddenState(DrawableHitObject drawable, ArmedState state)
{
if (!(drawable is DrawableCatchHitObject catchDrawable))
return;
if (catchDrawable.NestedHitObjects.Any())
{
foreach (var nestedDrawable in catchDrawable.NestedHitObjects)
{
if (nestedDrawable is DrawableCatchHitObject nestedCatchDrawable)
fadeOutHitObject(nestedCatchDrawable);
}
}
else
fadeOutHitObject(catchDrawable);
}
private void fadeOutHitObject(DrawableCatchHitObject drawable)
{
var hitObject = drawable.HitObject;
var offset = hitObject.TimePreempt * fade_out_offset_multiplier;
var duration = offset - hitObject.TimePreempt * fade_out_duration_multiplier;
using (drawable.BeginAbsoluteSequence(hitObject.StartTime - offset, true))
drawable.FadeOut(duration);
}
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}
}